You have to hunt with ex war veterans mate they know how to fix things and give a lot medial type assistance . I have put a mates knee cap back in , put a guys shoulder back in , set a broken leg good enough to get to hospital with minimum pain after bike accident also had some pain killers in my kit . I would have strapped your ankle and assisted you to a cold creek or dam , in my younger days carried you if necessary and soaked the ankle to reduce swelling . Then after the initial pain reduces , strap it with elastoplast ( sticking plaster tape ) in a horseshoe brace and bandage it .
Once out of the woods , get two buckets with ice in one and hot water in the other and give your foot contrast baths to reduce swelling , reduce pain and speed up healing .
I would have you back on your feet in a few days . Only soldiers really know how to fix the body when it's either walk or die .